Brasserie Les Halles (411 Park Ave., at 29th Street; [212] 679-4111) has expanded the restaurant into the space next door and added an indoor market stocking the ingredients home cooks need to duplicate the eatery’s dishes or those from the new “Les Halles Cookbook” by gonzo chef Anthony Bourdain.

SNAIL IT

The renowned food and wines of Burgundy, France, comprise a special $30 ($45 with wines) prix-fixe meal at Gavroche (212 W. 14th St., between Seventh and Eighth avenues) tomorrow through Nov. 15. Escargot, poached eggs in red wine sauce with bacon, onions and mushrooms and “pochouse,” a Burgundy river fish stew, are on the menu of guest chef Remy Roussel. Poached pear with blackcurrant liqueur is for dessert. Reserve at (212) 647-8553.

SHOW TIME

Always thought you could have your own TV show? The hunt for “The Next Food Network Star” will air on a series of specials this summer. Get together a three-minute audition tape explaining why you have what it takes and send it by Nov. 30. Amateurs and pros are invited, with the winner getting a six-episode show premiering in September. Contest rules and the mailing address are at http://www.foodnetwork.com.

BUCK UP Remember collecting change in Halloween cartons? Eateries are carrying on the tradition, donating $1 for each meal to help children. Participate at Aquavit, Artisanal and more. Gourmet Magazine is the sponsor. Alyssa Milano (right) is one of many celebs involved. For more info: http://www.unicefusa.org/gourmet.

GET DOWN

Tomorrow through Nov. 7, a slew of Lower Manhattan restaurants are offering $20.04 prix-fixe dinners as part of Downtown for Dinner 2004. The event, sponsored by the Downtown Alliance, includes Bayard’s, the Bridge Cafe, Delmonico’s and 49 other eateries below Chambers Street. For the complete list, visit http://www.DowntownNY.com or call (212) 835-2789.